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Finding the Fourth Proportional to 59,139.40, 88,709.10 and 58,167.40

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Solution

The fourth proportional to 59,139.40, 88,709.10 and 58,167.40 is: 87,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,139.40 : 88,709.10 = 58,167.40 : x
  2. Step 2: Convert to fraction form
    59,139.40/88,709.10 = 58,167.40/x
  3. Step 3: Cross multiply
    59,139.40x = 88,709.10 × 58,167.40
  4. Step 4: Simplify right side
    59,139.40x = 5,159,977,703.34
  5. Step 5: Solve for x
    x = 5,159,977,703.34/59,139.40
  6. Step 6: Final answer
    x = 87,251.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.